Home / 4,386.30-6,580.53-3,090.30

Finding the Fourth Proportional to 4,386.30, 6,580.53 and 3,090.30

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Solution

The fourth proportional to 4,386.30, 6,580.53 and 3,090.30 is: 4,636.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386.30 : 6,580.53 = 3,090.30 : x
  2. Step 2: Convert to fraction form
    4,386.30/6,580.53 = 3,090.30/x
  3. Step 3: Cross multiply
    4,386.30x = 6,580.53 × 3,090.30
  4. Step 4: Simplify right side
    4,386.30x = 20,335,811.86
  5. Step 5: Solve for x
    x = 20,335,811.86/4,386.30
  6. Step 6: Final answer
    x = 4,636.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.